It will help you build muscle for sure but you will need to increase the reps if you want to improve further, it helps to build your biceps, pectoralis, and your deltoids
Warming up helps get your blood flowing to the muscles
Answer: Circuit training builds your aerobic, or cardiovascular, endurance, too! “Your cardiorespiratory system has to work harder to keep up with the relentless demand for energy from your working muscles as you perform back-to-back exercises,” he says.
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